diff options
| author | Deepak M <m.deepak@intel.com> | 2017-02-14 16:16:16 +0300 |
|---|---|---|
| committer | Jani Nikula <jani.nikula@intel.com> | 2017-02-16 18:09:50 +0300 |
| commit | 6043801f937ada9c9ed9dfa3c6ce542a79643401 (patch) | |
| tree | 9056bf1266daf8aba1ac6bb7c0e40878eb5934d2 /drivers | |
| parent | 3582ad1361644ba0f937cf6aa59d5c9ead6763ca (diff) | |
| download | linux-6043801f937ada9c9ed9dfa3c6ce542a79643401.tar.xz | |
drm/i915: Set the Z inversion overlap field
Dual link Z-inversion overlap field is present
in MIPI_CTRL register unlike the older platforms,
hence setting the same in this patch.
Signed-off-by: Deepak M <m.deepak@intel.com>
Signed-off-by: Madhav Chauhan <madhav.chauhan@intel.com>
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/1487078180-15147-5-git-send-email-madhav.chauhan@intel.com
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/gpu/drm/i915/intel_dsi.c | 17 |
1 files changed, 13 insertions, 4 deletions
diff --git a/drivers/gpu/drm/i915/intel_dsi.c b/drivers/gpu/drm/i915/intel_dsi.c index c3d97e0bc59d..99dd7e12abc0 100644 --- a/drivers/gpu/drm/i915/intel_dsi.c +++ b/drivers/gpu/drm/i915/intel_dsi.c @@ -456,12 +456,21 @@ static void intel_dsi_port_enable(struct intel_encoder *encoder) if (intel_dsi->dual_link == DSI_DUAL_LINK_FRONT_BACK) { u32 temp; - - temp = I915_READ(VLV_CHICKEN_3); - temp &= ~PIXEL_OVERLAP_CNT_MASK | + if (IS_GEN9_LP(dev_priv)) { + for_each_dsi_port(port, intel_dsi->ports) { + temp = I915_READ(MIPI_CTRL(port)); + temp &= ~BXT_PIXEL_OVERLAP_CNT_MASK | + intel_dsi->pixel_overlap << + BXT_PIXEL_OVERLAP_CNT_SHIFT; + I915_WRITE(MIPI_CTRL(port), temp); + } + } else { + temp = I915_READ(VLV_CHICKEN_3); + temp &= ~PIXEL_OVERLAP_CNT_MASK | intel_dsi->pixel_overlap << PIXEL_OVERLAP_CNT_SHIFT; - I915_WRITE(VLV_CHICKEN_3, temp); + I915_WRITE(VLV_CHICKEN_3, temp); + } } for_each_dsi_port(port, intel_dsi->ports) { |